In medicine, bacteria have proved very useful due to the ...
In medicine, bacteria have proved very useful due to the production of
nitrate
antibiotics
cured tobacco
tanned leather
Correct answer is B
No explanation has been provided for this answer.
Which of the following depicts the external features of a rat as mammal? ...
The vitamin that is important in the formation of the retina pigment is ...
Wind pollinated flowers usually have ...
Which of the following is NOT true of spirogyra? ...
The following insects undergo incomplete metamorphosis except ...
Which of the following food chains is in the correct sequence? ...
Which if the following organisms is not classified as an animal? ...